Fig. 3
From: Effects of workload and saddle height on muscle activation of the lower limb during cycling
Maximum values of the normalized surface electromyographic (EMG) envelope. a The maximum EMG of rectus femoris; b the maximum EMG of tibialis anterior; c the maximum EMG of biceps femoris; d the maximum EMG of medial gastrocnemius. ○ represents an outlier. * indicates a statistical difference (p < 0.05). × denotes the mean of the box values. FTP: functional threshold power; GTH: greater trochanter height; MVC: maximum voluntary contraction; RF: rectus femoris; TA: tibialis anterior; BF: biceps femoris; MG: medial gastrocnemius